The Schneider Optics True-Streak Star 6pt Clear -138mm is a high-quality filter perfect for adding flair and style to your shots. Utilizing True-Streak technology, the filter produces smooth, clean lines for a 6-point star when aimed at a light source. The new production is made with cylindrical lenses rathen than etched on glass for diffraction efficiceny. The durable filter can be combined with other color filters such as blue, red, orange, green and more for moer interesting shots.